अनुक्रम \(1,8,27,64,\ldots\) में \(a_{10}-a_9\) का मान क्या होगा?
In the sequence \(1,8,27,64,\ldots\), what will be the value of \(a_{10}-a_9\)?
Explanation opens after your attempt
A. (271)
Concept
This is a cube sequence, so \(a_{10}-a_9=10^3-9^3=271\). Exam tip: cube the term position in cube sequences.
Why this answer is correct
The correct answer is A. (271). This is a cube sequence, so \(a_{10}-a_9=10^3-9^3=271\). Exam tip: cube the term position in cube sequences.
Exam Tip
यह घनों का अनुक्रम है इसलिए \(a_{10}-a_9=10^3-9^3=271\) है। घन पदों में पद संख्या का घन लें।
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